1. I/O Terminals
1-1 Basic Unit
G9SX-BC
Note: 1. Internal power supply circuit is not isolated.
2. Outputs S14 and S24 are internally redundant.
Signal name Terminal name Wiring
Power supply inputs A1, A2
Connect the power supply plus (24 VDC) to the
A1 terminal.
Connect the power supply minus (GND) to the A2
terminal.
Safety inputs T11, T12, T21, T22
Refer to 2-4 Cross Fault Detection and 2-5
Connecting Safety Sensors and the G9SX.
Feedback/reset inputs T31, T32, T33 Refer to 2-3 Reset Mode.
Cross fault detection input Y1 Refer to 2-4 Cross Fault Detection.
Instantaneous safety outputs S14, S24 Keep these outputs open when they are not used.
Logical AND connection output L1, L2 Refer to 2-1 Logical AND Connection.
Auxiliary monitor outputs X1, X2 Keep these outputs open when they are not used.
(See
note 1.)
Reset/Feedback
Input
Cross
fault
detection
input
S14
A2
S24 L1 L2
X1 X2
Power
supply
circuit
Safety
Input 1
Safety
Input 2
Safety outputs control
Auxiliary
outputs control
T11
A1
T12 T21 T22 T31 T32 T33
Y1
(See note 2.)
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